/Engine/Source/Runtime/Slate/Public/Framework/Notifications/NotificationManager.h
Adds a floating notification
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SNotificationItem](API\Runtime\Slate\Widgets\Notifications\SNotificationItem) > AddNotification ( const [FNotificationInfo](API\Runtime\Slate\Widgets\Notifications\FNotificationInfo) & Info )